Hair drying brush



FIG. 1 is a top, front and right side perspective view of a hair drying brush showing my new design;

FIG. 2 is a front elevation view of the design shown in FIG. 1 ;

FIG. 3 is a rear elevation view of the design shown in FIG. 1 ;

FIG. 4 is a left side elevational view of the design shown in FIG. 1 ;

FIG. 5 is a right side elevation view of the design shown in FIG. 1 ;

FIG. 6 is a top plan view thereof; of the design shown in FIG. 1 ; and,

FIG. 7 is a bottom plan view of the design shown in FIG. 1 .

The broken lines in the drawings depict portions of the hair drying brush that form no part of the claimed design. 

CLAIM The ornamental design for a hair drying brush, as shown and described. 